CN216814697U

CN216814697U - Electric heating type frost-containing coil pipe

Info

Publication number: CN216814697U
Application number: CN202122575706.9U
Authority: CN
Inventors: 王飞
Original assignee: Nanjing Chuangyuan Integration Air Conditioning Co ltd
Current assignee: Nanjing Chuangyuan Integration Air Conditioning Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-06-24
Anticipated expiration: 2031-10-26

Abstract

Electrothermal type holds frost coil pipe, including the kicking plate, fixed plate around the bottom fixedly connected with of kicking plate, the one end fixedly connected with bottom plate is kept away from to the fixed plate around, and the front surface department of fixed plate is equipped with the fin around, and one side of kicking plate is equipped with into water header pipe and goes out water header pipe, and beneficial effect is: but in the wide application heat transfer equipment in centralized air conditioning system, preparation simple process, rational in infrastructure, simple installation, to heat transfer coil pipe because of frosting influences the traditional problem of heat transfer and system consumption and to the solution that heat transfer pipeline freezes, the better form that laminating refrigerant pipe alternates of design of tubular heater, it is whole pleasing to the eye, reduce this type of surface cooler in sudden change environment, perhaps because of the unsatisfactory or copper pipe phenomenon that freezes of heat transfer effect under the untimely condition of artifical defrosting thawing, practice thrift the cost.

Description

Electric heating type frost-containing coil pipe

Technical Field

The utility model relates to the technical field of heat exchange equipment, in particular to an electric heating type frost holding coil.

Background

The surface cooler is called a surface cooler. The principle is that a heat medium or a refrigerant or a refrigeration working medium flows through an inner cavity of a metal pipeline, and air to be processed flows through the outer wall of the metal pipeline to carry out heat exchange to achieve the purpose of heating or cooling the air, so that in some cold areas, in winter or in excessive seasons, the anti-freezing of a surface air cooler must be considered.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric heating defrosting coil pipe which can overcome the problems and solve the problems of frost formation on the surface of a finned pipe and frost cracking in the pipe.

The technical scheme adopted by the utility model for solving the technical problem is as follows: electric heating formula holds white coil pipe, it includes: the roof bottom plate, fixed plate around the bottom fixedly connected with of roof bottom plate, the one end fixedly connected with bottom plate that the roof bottom plate was kept away from to fixed plate around, the front surface department of fixed plate is equipped with the fin around, one side of roof bottom plate is equipped with into water header pipe and goes out the water header pipe.

Preferably, the fins near the bottoms of the front and rear fixing plates are arranged at intervals of F, the fins near the tops of the front and rear fixing plates are arranged at intervals of twice the F, refrigerant pipes are arranged on one sides of the fins near the front and rear fixing plates, the refrigerant pipes are fixedly connected to the front and rear fixing plate surfaces, and one ends of the fins are inserted into the refrigerant pipes.

Preferably, the side walls of the front and rear fixing plates, which are close to the elbow, are provided with electric heating jacks, one side of the front and rear fixing plates is provided with a tubular electric heater, the tubular electric heater is inserted into the electric heating jacks, and the tubular electric heater is placed on the side close to the air outlet, so that frost is more easily formed on the side.

Preferably, a plurality of bends are welded on one side wall of the front and rear fixing plates, which is close to the tubular electric heater.

Preferably, each of the fins is in close contact with the refrigerant pipe and the tubular electric heater.

Preferably, the tubular electric heaters are arranged on one side of the top bottom plate, and are arranged among the tubular electric heaters.

The utility model has the following advantages: but in the wide application heat transfer equipment in centralized air conditioning system, preparation simple process, rational in infrastructure, simple installation, to heat transfer coil pipe because of frosting influences the traditional problem of heat transfer and system consumption and to the solution that heat transfer pipeline freezes, the better form that laminating refrigerant pipe alternates of design of tubular heater, it is whole pleasing to the eye, reduce this type of surface cooler in sudden change environment, perhaps because of the unsatisfactory or copper pipe phenomenon that freezes of heat transfer effect under the untimely condition of artifical defrosting thawing, practice thrift the cost.

Drawings

FIG. 1 is a structural diagram of an electric heating defrosting coil in an embodiment;

FIG. 2 is a schematic view showing the arrangement of the tubular electric heaters in the height direction in the embodiment;

FIG. 3 is a schematic view showing the arrangement of the flow direction of the tubular electric heater in the embodiment;

FIG. 4 is a schematic diagram illustrating fin distribution of an electric heating area and a refrigerant tube area in an embodiment.

Description of reference numerals:

1. a top and bottom plate; 2. front and rear fixing plates; 3. a water inlet header pipe; 4. a water outlet header pipe;

5. a tubular electric heater; 6. a refrigerant pipe; 7. ribs; 8. and (4) bending the pipe.

Detailed Description

The technical scheme of the utility model is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model will be further explained with reference to the drawings.

Referring to fig. 1-4, the present invention provides a technical solution: electric heating formula holds frost coil pipe, including roof plate 1, fixed plate 2 around the bottom fixedly connected with of roof plate 1, the one end fixedly connected with bottom plate 1 is kept away from to fixed plate 2 around, and the front surface department of fixed plate 2 is equipped with fin 7 around, and one side of roof plate 1 is equipped with water inlet header pipe 3 and play water header pipe 4.

The side wall of the front and rear fixing plates 2 close to the elbow 8 is provided with an electric heating jack, one side of the front and rear fixing plates 2 is provided with a tubular electric heater 5, the tubular electric heater 5 is inserted into the electric heating jack, the electric heating jack is left at a certain interval, the tubular electric heater 5 is inserted into a reserved hole, and the power, the quantity and the position of the tubular electric heater 5 meet the requirements of defrosting in a short time (not more than 30min) when the coil pipe is at the lowest environmental temperature.

The fin plates 7 close to the bottoms of the front and rear fixing plates 2 are arranged at intervals of F, the fin plates 7 close to the tops of the front and rear fixing plates 2 are arranged at intervals of twice the interval of F, refrigerant pipes 6 are arranged on one sides of the fin plates 7 close to the front and rear fixing plates 2, the refrigerant pipes 6 are fixedly connected to the surfaces of the front and rear fixing plates 2, one ends of the fin plates 7 are inserted into the refrigerant pipes 6, the fins 7 on the air inlet side are arranged at intervals of F, and the refrigerant pipes 6 are sequentially transmitted into fin plate holes; and stacking the fins 7 at the air outlet side at the interval of twice f, and penetrating the refrigerant pipe 6.

A plurality of elbows 8 are welded on one side wall of the front and rear fixing plates 2 close to the tubular electric heater 5.

Each fin 7 is in close contact with the refrigerant pipe 6 and the tubular electric heater 5.

The tubular electric heaters 5 are arranged on one side of the top soleplate 1, and are arranged among the tubular electric heaters 5.

The working principle is as follows: the method comprises the steps of inserting refrigerant pipes 6 into rib holes according to a traditional method, enabling the length of the refrigerant pipes 6 to be larger than the stacking thickness of ribs 7 and integrally fixed in a peripheral frame plate, inserting tubular electric heaters 5 into the ribs 7 by the same method, arranging the tubular electric heaters on the whole height in order at intervals, enabling the tubular electric heaters to be close to the air outlet side, enabling the tubular electric heaters to frost more easily, controlling the electric heaters to be electrified and heated when the temperature of the surface cooler finned tubes is close to 0 ℃, melting surface frost or freezing refrigerants in pipelines, and stopping heating when a surface frost layer melts, so that the functions of defrosting and defrosting are achieved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Other parts of the utility model not described in detail are prior art and are not described in detail herein.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. Electric heating formula holds frost coil pipe, its characterized in that includes: the water-saving water tank comprises a top base plate (1), a front fixing plate and a rear fixing plate (2) are fixedly connected to the bottom of the top base plate (1), the front fixing plate and the rear fixing plate (2) are fixedly connected to one end of the bottom base plate (1) respectively, fins (7) are arranged on the front surface of the front fixing plate and the rear fixing plate (2), and a water inlet header pipe (3) and a water outlet header pipe (4) are arranged on one side of the top base plate (1).

2. The electrothermal frost coil according to claim 1, wherein the fins (7) near the bottom of the front and rear fixing plates (2) are arranged at intervals of F, the fins (7) near the top of the front and rear fixing plates (2) are arranged at intervals of twice F, a refrigerant pipe (6) is disposed on one side of the fins (7) near the front and rear fixing plates (2), the refrigerant pipe (6) is fixedly connected to the front and rear fixing plates (2), and one end of the fin (7) is inserted into the refrigerant pipe (6).

3. The electrothermal frost coil according to claim 1, wherein the front and rear fixing plates (2) have electric heating insertion holes drilled in the side walls thereof adjacent to the elbow (8), and one side of the front and rear fixing plates (2) has a tubular electric heater (5), and the tubular electric heater (5) is inserted into the electric heating insertion holes.

4. The electrothermal frost coil according to claim 3, wherein a plurality of bends (8) are welded to a side wall of the front and rear fixing plates (2) near the tubular electric heater (5).

5. The electrothermal frost coil of claim 1, wherein each of the fins (7) is in close contact with the refrigerant tube (6) and the tubular electric heater (5).

6. The electrothermal frost coil of claim 5, wherein the tubular electric heaters (5) are arranged on one side of the top and bottom plates (1), and each tubular electric heater (5) is arranged between the two tubular electric heaters.